configure: add sh-) to detect toolchain (by Phil.Edworthy@renesas.com)
configure: add sh-) to detect toolchain (by Phil.Edworthy@renesas.com)

kevleyski/directfb,kevleyski/DirectFB-1,DirectFB/directfb,sklnet/DirectFB,lancebaiyouview/DirectFB,djbclark/directfb-core-DirectFB,djbclark/directfb-core-DirectFB,dfbdok/DirectFB1,kevleyski/DirectFB-1,kaostao/directfb,sklnet/DirectFB,jcdubois/DirectFB,kevleyski/DirectFB-1,sklnet/DirectFB,dfbdok/DirectFB1,kaostao/directfb,sklnet/DirectFB,lancebaiyouview/DirectFB,Distrotech/DirectFB,deniskropp/DirectFB,kevleyski/directfb,deniskropp/DirectFB,mtsekm/test,deniskropp/DirectFB,Distrotech/DirectFB,kevleyski/directfb,kevleyski/DirectFB-1,DirectFB/directfb,mtsekm/test,djbclark/directfb-core-DirectFB,lancebaiyouview/DirectFB,kaostao/directfb,Distrotech/DirectFB,djbclark/directfb-core-DirectFB,jcdubois/DirectFB,mtsekm/test,deniskropp/DirectFB,dfbdok/DirectFB1,lancebaiyouview/DirectFB,DirectFB/directfb,jcdubois/DirectFB,kevleyski/directfb